Balance exerciser



FIG. 1 is a side elevational view of a balance exerciser showing my new design.

FIG. 2 is an elevational view showing the side opposite that shown by FIG. 1, but with the device turned upside down.

FIG. 3 is a top plan view.

FIG. 4 is a bottom plan view.

FIG. 5 is a left end elevational view.

FIG. 6 is a right end elevational view. 

The ornamental design for a balance exerciser, as shown. 